Take your students back in time with the Smithsonian™ Amazing Dinosaur Collection! This bulletin board set includes 5 panels with: 3 Posters (17" x 24") That Cover The Following Topics: What Makes A Dinosaur?, Time Period, and Age of Dinosaurs and 4 Mini Posters (12" x 17") That Cover The Following Topics: What Is Paleontoloy?, Discovering Dinosaurs, Hall Creek Formation, and What Is A Fossil?